For a brief introduction and guide to abbreviations, see Laboratory Tests: General Remarks.
Analyte [material]
Reference range, target level, or decision threshold
98-106 mmol/L
Interpretation of results
↑ Hypertonic dehydration, excessive NaCl intake, metabolic acidosis due to HCO3– loss
↓ Hyponatremia, Cl– loss due to vomiting or diarrhea